CN114162177B - Early warning bracelet is used in operation protection between railway section - Google Patents
Early warning bracelet is used in operation protection between railway section Download PDFInfo
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- CN114162177B CN114162177B CN202210002546.5A CN202210002546A CN114162177B CN 114162177 B CN114162177 B CN 114162177B CN 202210002546 A CN202210002546 A CN 202210002546A CN 114162177 B CN114162177 B CN 114162177B
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- 238000004364 calculation method Methods 0.000 claims abstract description 25
- 230000001133 acceleration Effects 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 20
- 238000005259 measurement Methods 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
- B61L23/06—Control, warning or like safety means along the route or between vehicles or trains for warning men working on the route
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L25/00—Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
- B61L25/02—Indicating or recording positions or identities of vehicles or trains
- B61L25/021—Measuring and recording of train speed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L25/00—Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
- B61L25/02—Indicating or recording positions or identities of vehicles or trains
- B61L25/025—Absolute localisation, e.g. providing geodetic coordinates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L25/00—Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
- B61L25/02—Indicating or recording positions or identities of vehicles or trains
- B61L25/04—Indicating or recording train identities
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Train Traffic Observation, Control, And Security (AREA)
Abstract
The invention discloses an early warning bracelet for operation protection in a railway section, relates to the technical field of railway construction early warning, and solves the technical problem that the arrival time of a train is estimated through the speed of the train, but the estimation mode is inaccurate; the method comprises the steps of performing node planning on a railway route of a construction area in advance through a node planning end, acquiring information inside a railway system through a node information acquisition end, sequentially acquiring speed data of a plurality of nodes, processing the acquired speed data to obtain a corresponding fastest acceleration value, performing estimation and calculation on the fastest acceleration value and a slowest acceleration value to obtain a corresponding fastest arrival time value and a slowest arrival time value, comparing the estimated and calculated time value with an internal threshold value of a decision service end, performing early warning on constructors in time, sending out a signal through an early warning bracelet to warn the constructors, enabling the constructors to evacuate the construction area in advance, and ensuring the construction safety of the constructors.
Description
Technical Field
The invention belongs to the technical field of railway construction early warning, and particularly relates to an early warning bracelet for railway section operation protection.
Background
The railway is a track line for trains and other vehicles to run, the track line is easy to be damaged after being rolled for a long time, and after the track line is damaged, an external constructor needs to set a construction area to maintain the track line.
In the maintenance process, the operation of the train can not be prevented, so an external warning device is needed to warn constructors, the constructors are warned in time before the train arrives, the constructors are far away from a construction area, an early warning bracelet is adopted to warn, the early warning bracelet receives external early warning signals, but the early warning signals are sent by a railway system, the arrival time of the train is estimated through the speed of the train, the estimation mode is inaccurate, the time difference is large, and the construction safety coefficient is low.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art; therefore, the invention provides an early warning bracelet for operation protection in a railway section, which is used for solving the technical problem that the arrival time of a train is estimated according to the speed of the train, but the estimation mode is inaccurate.
In order to achieve the above object, an embodiment according to a first aspect of the present invention provides an early warning bracelet for operation protection in a railway section, including a protection system and an early warning bracelet, where the protection system is configured to perform pre-estimation calculation and determination on arrival time of a train, and send an early warning signal to the early warning bracelet, and the early warning bracelet is configured to receive the early warning signal, send an early warning alarm to perform early warning processing, and warn a constructor;
the protection system comprises a node planning terminal, a processing terminal, a decision server and a node information acquisition terminal;
the node planning terminal is used for planning the railway route nodes, generating a corresponding node route map and conveying the node route map into the processing terminal;
the node information acquisition end acquires train data and sends the acquired train data to the processing terminal;
the processing terminal is used for matching the node route map with the train, processing the train data acquired by the node information acquisition terminal, calculating the fastest acceleration value of the train, carrying out time estimation on the calculated fastest acceleration value to obtain the fastest arrival time value, meanwhile, carrying out calculation processing on the slowest speed of the train, obtaining the slowest arrival time value through the slowest speed, and transmitting the calculated time value into the decision-making service terminal;
and the decision server receives and processes the fastest arrival time value and the slowest arrival time value, and sends out an early warning signal according to a processing result.
Preferably, the railway route nodes comprise N nodes, N is more than or equal to 7 and is a positive integer, the first node and the second node are fixed nodes, the distance between the nodes is 1.5km, the distance between the second node and the third node is set as a computing area node section of the protection system, the distance between the node sections is assumed to be X, the distance between the remaining N-3 nodes is equal, and the distance between the N-3 nodes is Y.
Preferably, the train data includes moving train number information, train moving speed, location information, and time information, and the train moving speed is speed data at the arrival node.
Preferably, the step of processing the train data collected by the node information collection end by the processing terminal is as follows:
s1, extracting the node moving speed data at N-3 and marking the data as VN-3To V pairN-3The internal highest and lowest speed values are extracted and marked as VmaxAnd VminThe unit of speed is m/s;
s2, setting the highest speed value VmaxIs extracted and marked as k, wherein k belongs to N-3, the speed value of the last node is extracted and marked as Vk+1Will reach the highest velocity value VmaxThe node time information is extracted and marked as TmaxExtracting the node information of the node which reaches the last position and marking the node information as Tk+1The train running direction is from the K +1 node to the highest speed value VmaxIs moved by the node of
Obtaining the acceleration V of the node intervalj；
S3, extracting the speed information of the train reaching the third node and marking the speed information as V3By using
Obtaining the estimated fastest arrival time value Sz of the train and the lowest speed value V of the trainminIs processed by
Obtaining the estimated slowest arrival time value Sm;
and S4, transmitting the Sz and Sm obtained by calculation into the decision server.
Preferably, a threshold module is arranged inside the decision server, and a threshold X is arranged inside the threshold module.
Preferably, the steps of receiving and processing the fastest arrival time and the slowest arrival time by the decision server are as follows:
step one, when the fastest arrival time value Sz is larger than or equal to X, the decision-making service end binds the serial number information of the mobile train, the estimated fastest arrival time value Sz and the estimated slowest arrival time Sm of the train and sends the serial number information to a pre-bound early warning bracelet;
and step two, when the fastest arrival time value Sz is less than or equal to X, the decision-making service end directly generates an early warning signal, binds the serial number information of the mobile train, the estimated fastest arrival time value Sz and the estimated slowest arrival time value Sm of the train, and sends the information to an early warning bracelet bound in advance.
Preferentially, inside transaudient sonar and the controller of being provided with of early warning bracelet, the controller receives early warning signal, controls the transaudient sonar and sends out the early warning alarm.
Preferably, the guard system computing area node segment does not participate in data computation.
Compared with the prior art, the invention has the beneficial effects that: the method comprises the steps of performing node planning on a railway route of a construction area in advance through a node planning end, acquiring information inside a railway system through a node information acquisition end, sequentially acquiring speed data of a plurality of nodes, processing the acquired speed data to obtain a corresponding fastest acceleration value, performing estimation and calculation on the fastest acceleration value and the slowest speed value to obtain a corresponding fastest arrival time value and a slowest arrival time value, comparing the estimated and calculated time value with an internal threshold value of a decision service end, performing early warning on constructors in time through a comparison result, sending a signal through an early warning bracelet to warn the constructors, withdrawing the construction area in advance, ensuring the construction safety of the constructors, performing estimation and calculation on the fastest acceleration of a train, and performing measurement and calculation on the fastest arrival time, the fastest arrival time is the optimal safe evacuation time, the evacuation time of constructors is expanded to the maximum extent, and the construction safety of the constructors is guaranteed;
the nodes are processed, meanwhile, a section of protection system calculation area node is also arranged for buffering the uncertain speed factors of the train, the node section is not calculated, more evacuation time is provided for constructors, and time is provided for the whole protection system to calculate data, so that the evacuation time of the constructors is improved once again.
Drawings
FIG. 1 is a schematic block diagram of the present invention;
FIG. 2 is a schematic perspective view of an early warning bracelet according to the present invention;
reference numerals: 1. a ring body; 2. a display screen; 3. a sonar; 4. and (4) tightening the belt.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the application provides an early warning bracelet for operation protection in a railway section, which comprises a protection system and an early warning bracelet, wherein the output end of the protection system is electrically connected with the input end of the early warning bracelet;
the protection system comprises a node planning terminal, a processing terminal, a decision service terminal and a node information acquisition terminal, wherein the output end of the node planning terminal is electrically connected with the input end of the processing terminal, the processing terminal is in bidirectional connection with the node information acquisition terminal, the output end of the processing terminal is electrically connected with the input end of the decision service terminal, and the output end of the decision service terminal is electrically connected with the input end of the early warning bracelet;
the node planning terminal is used for planning nodes of a railway route, wherein the nodes comprise N nodes, N is more than or equal to 7, the node numerical value N is planned by an operator, N is a positive integer, a first node and a second node are fixed nodes, the distance between the nodes is 1.5km, the distance between the second node and a third node is a protection system calculation area node, the distance between the nodes is planned to be X, X is more than or equal to 1km and less than or equal to 1.5km, the distances between the rest N-3 nodes are equal, the N-3 nodes are the three nodes before removal, the distance between the N-3 nodes is Y, Y is less than or equal to 1km, the initial node arrangement point is a construction area, and node arrangement is carried out in sequence towards the arrival direction of a train;
the system comprises a node information acquisition end, a data acquisition end and a data acquisition end, wherein the node information acquisition end is in wireless connection with an external railway system and acquires the serial number information, the moving speed, the position information and the time information of a moving train, the acquired moving speed of the train is the speed data of an arrival node, the extracted speed data is the moving speed data of a node at the position N-2, the node at the position N-2 is the node which is removed from a first node and a second node, and the moving speed data of a third node is measured and calculated;
after the set N nodes are set, the node planning end generates a corresponding node route and transmits the generated node route to the processing terminal, the processing terminal is matched with the position information of the train according to the node route, the position information of the train is in a change state, the node information acquisition end extracts the node route from the interior of an external railway system, so that the train is positioned, the running speed of the train is effectively extracted according to the positioning information, and the extracted running speed is the speed information of the train head reaching a specified node;
the processing terminal is used for processing the number information, the moving speed and the position information of the moving train collected by the node information collection end, calculating the fastest acceleration value of the train, carrying out time estimation through the calculated fastest acceleration value, carrying out calculation processing on the slowest speed of the train, obtaining the slowest arrival time through the slowest speed, and conveying the estimated time value obtained through calculation into the decision service end, wherein the processing steps are as follows:
s1, extracting the node moving speed data at N-3 and marking the data as VN-3To V pairN-3The internal highest and lowest speed values are extracted and marked as VmaxAnd VminThe unit of speed is m/s;
s2, setting the highest speed value VmaxIs extracted and marked as k, wherein k belongs to N-3, the speed value of the last node is extracted and marked as Vk+1Will reach the highest velocity value VmaxThe node time information is extracted and marked as TmaxExtracting the node information of the node which reaches the last position and marking the node information as Tk+1The train running direction is from the K +1 node to the highest speed value VmaxIs moved by the node of
Obtaining the acceleration V of the node intervaljSince the distance between the node sections is less than 1km and the train speed is 10km/h at the lowest, the time consumed by the train passing through the node sections is in minutes (T)k+1-Tmax) X 60 is the node section acceleration V obtained by converting the time spent into secondsjThe time unit is m/s;
s3, extracting the speed information of the train reaching the third node and marking the speed information as V3By using
Obtaining the estimated fastest arrival time value Sz of the train and the lowest speed value V of the trainminIs processed by
Obtaining the estimated slowest arrival time value Sm;
and S4, transmitting the Sz and Sm obtained by calculation into the decision server.
The decision-making service end is used for processing the number information of the moving train, the estimated fastest arrival time value Sz and the estimated slowest arrival time Sm of the train, a threshold module is arranged inside the decision-making service end, a threshold value X is arranged inside the threshold module, the X is a time value and is formulated by an operator, when the arrival time value Sz is larger than or equal to X, the decision-making service end binds the number information of the moving train, the estimated fastest arrival time value Sz and the estimated slowest arrival time Sm of the train and sends the bound number information to a pre-bound early warning bracelet, and the operator can clearly know the arrival time of the train by observing the early warning bracelet and withdraw from a construction road section in time;
when the arrival time value Sz is less than or equal to X, the decision-making service end directly generates an early warning signal, binds the number information of the moving train, the estimated fastest arrival time value Sz and the estimated slowest arrival time value Sm of the train, and sends the binding information to a pre-bound early warning bracelet, the early warning bracelet directly starts early warning after receiving the early warning signal, and sends out an alarm through an internal sound sonar 3, and an operator receives the alarm sound, so that the operator can immediately evacuate a construction road section, and traffic accidents are avoided;
setting the nodes from the second node to the third node as the calculation area nodes of the protection system, wherein the node section is used for buffering the uncertain speed factors of the train, and the node section is not calculated, so that more evacuation time is provided for constructors, and time is provided for the whole protection system during data measurement and calculation;
please refer to fig. 2, the early warning bracelet is worn in operating personnel hand region, including ring body 1, ring body 1 both sides all are provided with lacing tape 4, and the inside centre department of ring body 1 is provided with display screen 2, 1 outer end both sides of ring body all are provided with transaudient sonar 3, the inside controller that is provided with simultaneously of ring body 1, wherein wireless connection between early warning bracelet and the protection system, be provided with the cell-phone card that corresponds in the early warning bracelet, possess wireless data transmission and receiving function, display screen 2 can show the data of the inside receipt of early warning bracelet, transaudient sonar 3 can send the early warning alarm, transaudient sonar is controlled by the controller, the controller carries out the early warning operation through the early warning signal who receives, start transaudient sonar 3, report an emergency and ask for help the constructor to withdraw the construction area in time.
Part of data in the formula is obtained by removing dimension and taking the value to calculate, and the formula is obtained by simulating a large amount of collected data through software and is closest to a real situation; the preset parameters and the preset threshold values in the formula are set by those skilled in the art according to actual conditions or obtained through simulation of a large amount of data.
The working principle of the invention is as follows: the method comprises the steps of performing node planning on a railway route of a construction area in advance through a node planning end, acquiring information inside a railway system through a node information acquisition end, sequentially acquiring speed data of a plurality of nodes, processing the acquired speed data to obtain a corresponding fastest acceleration value, performing estimation and calculation on the fastest acceleration value and the slowest speed value to obtain a corresponding fastest arrival time value and a slowest arrival time value, comparing the estimated and calculated time value with an internal threshold value of a decision service end, performing early warning on constructors in time through a comparison result, sending a signal through an early warning bracelet to warn the constructors, withdrawing the construction area in advance, ensuring the construction safety of the constructors, performing estimation and calculation on the fastest acceleration of a train, and performing measurement and calculation on the fastest arrival time, the shortest arrival time is the optimal safe evacuation time, the evacuation time of constructors is expanded to the maximum extent, and the construction safety of the constructors is ensured;
the nodes are processed, meanwhile, a section of protection system calculation area node is also arranged for buffering the uncertain speed factors of the train, the node section is not calculated, more evacuation time is provided for constructors, and meanwhile, time is provided for the whole protection system to carry out data measurement and calculation, so that the evacuation time of the constructors is improved once again.
Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the present invention.
Claims (6)
1. The early warning bracelet for railway section operation protection is characterized by comprising a protection system and an early warning bracelet, wherein the protection system is used for carrying out estimation calculation judgment on the arrival time of a train and sending an early warning signal into the early warning bracelet, and the early warning bracelet is used for receiving the early warning signal, sending an early warning alarm for carrying out early warning treatment and warning constructors;
the protection system comprises a node planning terminal, a processing terminal, a decision server and a node information acquisition terminal;
the node planning terminal is used for planning the railway route nodes, generating a corresponding node route map and conveying the node route map into the processing terminal;
the node information acquisition end acquires train data and sends the acquired train data to the processing terminal;
the processing terminal is used for matching the node route map with the train, processing the train data acquired by the node information acquisition terminal, calculating the fastest acceleration value of the train, carrying out time estimation on the calculated fastest acceleration value to obtain the fastest arrival time value, meanwhile, carrying out calculation processing on the slowest speed of the train, obtaining the slowest arrival time value through the slowest speed, and transmitting the calculated time value into the decision-making service terminal;
the decision server receives and processes the fastest arrival time value and the slowest arrival time value, and sends out an early warning signal according to a processing result;
the railway route nodes comprise N nodes, N is more than or equal to 7 and is a positive integer, the first node and the second node are fixed nodes, the distance between the node sections is 1.5km, the distance between the second node and the third node is set as a calculation area node section of the protection system, the distance between the node sections is assumed to be X, the distance between the remaining N-3 nodes is equal, and the distance between the N-3 nodes is Y;
the steps of the processing terminal for processing the train data collected by the node information collection terminal are as follows:
s1, extracting the node moving speed data at N-3 and marking the data as VN-3To V pairN-3The inner highest and lowest speed values are extracted and marked as VmaxAnd VminThe unit of speed is m/s;
s2, mixingMaximum velocity value VmaxIs extracted and marked as k, wherein k belongs to N-3, the speed value of the last node is extracted and marked as Vk+1Will reach the highest velocity value VmaxThe node time information is extracted and marked as TmaxExtracting the node information of the node which reaches the last position and marking the node information as Tk+1The train running direction is from the K +1 node to the highest speed value VmaxIs moved by the node of
Obtaining the acceleration V of the node intervalj；
S3, extracting the speed information of the train reaching the third node and marking the speed information as V3By using
Obtaining the estimated fastest arrival time value Sz of the train and the lowest speed value V of the trainminIs processed by
Obtaining the estimated slowest arrival time value Sm;
and S4, transmitting the Sz and Sm obtained by calculation into the decision server.
2. The early warning bracelet for operation protection between railway sections according to claim 1, wherein the train data includes moving train number information, train moving speed, position information and time information, and the train moving speed is speed data at an arrival node.
3. The early warning bracelet for railway section operation protection according to claim 1, wherein a threshold module is arranged inside the decision service end, and a threshold X is arranged inside the threshold module.
4. The early warning bracelet for railway inter-zone operation protection according to claim 3, wherein the decision service end receives and processes the fastest arrival time and the slowest arrival time in the following steps:
step one, when the fastest arrival time value Sz is larger than or equal to X, the decision-making service end binds the serial number information of the mobile train, the estimated fastest arrival time value Sz and the estimated slowest arrival time Sm of the train and sends the serial number information to a pre-bound early warning bracelet;
and step two, when the fastest arrival time value Sz is less than or equal to X, the decision-making service end directly generates an early warning signal, binds the serial number information of the mobile train, the estimated fastest arrival time value Sz and the estimated slowest arrival time value Sm of the train, and sends the information to an early warning bracelet bound in advance.
5. The early warning bracelet for railway section operation protection according to claim 4, wherein a sound transmission sonar (3) and a controller are arranged inside the early warning bracelet, and the controller receives the early warning signal and controls the sound transmission sonar (3) to send out early warning alarm.
6. The early warning bracelet for railway section operation protection according to claim 1, wherein a node section of a calculation area of a protection system does not participate in data calculation.
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| CN102039916B (en) * | 2010-12-15 | 2012-08-22 | 山东申普交通科技有限公司 | Railway engineering security protection system |
| CN104960551A (en) * | 2015-06-25 | 2015-10-07 | 北京交通大学 | Unattended system for sensing railway field operation and protection based on photonic crystal fiber |
| CN107010088B (en) * | 2017-02-22 | 2019-05-31 | 武汉捷讯信息技术有限公司 | A kind of railway track construction safety pre-warning system and method |
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Application publication date: 20220311 Assignee: Anhui Weiquan Intelligent Technology Co.,Ltd. Assignor: ANHUI HUIYI COMMUNICATION SCIENCE Co.,Ltd. Contract record no.: X2023980035157 Denomination of invention: Warning bracelet for railway section operation protection Granted publication date: 20220705 License type: Common License Record date: 20230505 |
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